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Keyboard Control
In order to control the switch with the keyboard, COMMAND Mode must be enabled. To enter/exit COMMAND Mode from the
keyboard:
Press
COMMAND Mode
When the COMMAND Mode is ON, all 3 status LEDs on the keyboard will illuminate to indicate that COMMAND Mode is enabled
and the following functions are available: (NOTE: The user must exit COMMAND Mode in order to type to a CPU.)
Function: Keystroke:
Increment Port
Decrement Port
Toggle “SCAN” Mode
ON and OFF
Toggle “BROADCAST”
Mode ON and OFF
Sets scan time-out
period for each port.
Selects a specific
port
Exit COMMAND Mode
SCAN Mode
SCAN Mode is indicated by a flashing CPU port LED. The switch scans to either port with a CPU powered-ON. That port remains
active for the configured dwell time (default time is 5 seconds) before switching to the other powered-ON CPU port. See
COMMAND MODE Section for configuring the scan dwell time.
NOTE: The keyboard and mouse must remain idle for the full SCAN dwell time before the switch selects the other port.
BROADCAST Mode
(USE WITH EXTREME CAUTION)
BROADCAST Mode is indicated when both CPU LEDs are illuminated. This mode allows the operator to send keystrokes to both
active CPUs simultaneously. However, BROADCAST Mode has some critical requirements:
1. BROADCAST Mode must be OFF when booting an attached CPU.
2. COMMAND Mode must be OFF for keystrokes to reach attached CPU(s) when in BROADCAST.
S
I
or
(move to next higher port)
`
+
Ctrl
~
(ACCENT
KEY)
`
T
-
-
(xxx from 002 to 255. ie. t 002
would set the time-out period
for 2 seconds)
-
(0-2)
x
(0-9)
x
(0-9)
x
D
or
(move to next lower port)
CHORDED SEQUENCE- PRESS CONSECUTIVELY
AND KEEP KEYS PRESSED UNTIL ALL ARE PRESSED.
+
-
PRESS CONSECUTIVELY
or
PRESS EITHER KEY
KEY SYMBOLS LEGEND:
Esc
`
+
Ctrl
~
(ACCENT
KEY)
or
CPU 1
CPU 2
Two illuminated CPU LEDs
means that the switch is
in BROADCAST Mode.
CPU 1
CPU 2
A flashing CPU LED means
that CPU is being scanned
and is active.
B
P
-
-
(P0x would be P01 or P02)
x
0